CNA Staff, Oct 18, 2025 / 04:00 am

On Oct. 18, Catholics and other Christians around the world celebrate the feast of St. Luke, the physician and companion of St. Paul whose Gospel preserved the most extensive biography of Jesus Christ.

St. Luke, who is also the author of the Acts of the Apostles, wrote a greater volume of the New Testament than any other single author in the earliest history of the Church. Ancient traditions also acknowledge Luke as the founder of Christian iconography, making him a patron of artists as well as doctors and other medical caregivers.

Luke came from the large metropolitan city of Antioch, a part of modern-day Turkey. In his lifetime, the city emerged as an important center of early Christianity. During the future saint’s early years, Antioch’s port had al

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